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zavuch27 [327]
3 years ago
6

What are the mean, median, and mode of the data in the following sample?

Mathematics
1 answer:
Leto [7]3 years ago
6 0

Answer:

A.

Step-by-step explanation: You have to add all the numbers together for the mean then for the median you put them in order from least to greatest. Then put your finger on the first and last number and start counting down until you have the middle number.  

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Help me with number 15, will give brainliest:)
gladu [14]
i believe it’s D because where you have 20 marked it’s 20 more from where you are which would be around 40 which is why i’m saying D
5 0
2 years ago
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1. In a game, if you roll a 6 on a 6-sided number cube, you lose a turn.
just olya [345]
Short answer = 20
Argument
Your chances of throwing a 6 = 1/6

Expected Throws = P(6) * Total Throws
Expected Throws = 1/6 * 120
Expected Throws = 20

Answer = 20 <<<<<
3 0
3 years ago
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Find equations of the lines passing through (−2, 3) and having the following characteristics.
elena-s [515]

Answer:

a.y=13/16x+37/8

b.y=3/2x+6

c.y=3/4x+9/2

d.x=-2

Step-by-step explanation:

All lines must pass through (-2,3)

a. The slope must be 13/16;

y=13/16x+b, SInce it must pass through (-2,3), plug in -2 as the x-value and 3 as the y-value

3=13/16(-2)+b, solve for b.

24/8=-13/8+b

37/8=b

y=13/16x+37/8

b, It must be parallel to the line 3x-2y=2; first, find the slope by converting to y=mx+b

3x-2y=2

-2y=-3x+2

y=3/2x-1, Parallel lines have the same slope so a line parallel to 3x-2y=2 and passing through (-2,3) will have a slope of 3/2.

Plug in (-2,3) to find the b-value again.

(3)=3/2(-2)+b

3=-3+b

6=b

y=3/2x+6

c. It must have a line perpendicular to 4x+3y=6.  Again like in b, find the slope.

y=-4/3+2, the slope is -4/3.

Now, perpendicular lines have the opposite inverse slopes which means that you add a negative sign and flip the numerator and denominator

-(-3/4), this is just 3/4

Ok, the slope of the line is 3/4, plug in (-2,3) to find the b-value again.

(3)=3/4(-2)+b

6/2=-3/2+b

9/2=b

y=3/4x+9/2

d. The line is paralell to the y-axis.

This just means that the line is vertical. The line has no slope.

The vertical line that passes through the x-value -2 is x=-2

x=-2

5 0
3 years ago
If p(x)= x^2-1 and q(x)=5(x-1), which expression is equivalent to (p-q)(x)?​
ludmilkaskok [199]

Answer:

x² - 5x + 4

Step-by-step explanation:

note that (p - q)(x) = p(x) - q(x), thus

p(x) - q(x)

= x² - 1 - 5(x - 1) ← distribute parenthesis by - 5

= x² - 1 - 5x + 5 ← collect like terms

= x² - 5x + 4

8 0
3 years ago
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What is the value of f(-2) in the function represented by f(x) = -4x2 – 3x + 2
faust18 [17]

Answer:

D

Step-by-step explanation:

-4(-2)^2 -3(-2) +2

-4(4) +6+2

-16+8

-8

6 0
3 years ago
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